... ,.Carbon steel:C1006,C1010,C1018,C1022,C1035K,C10458, Alloy steel: SCM435,C10B21,C10B33Specification& gauge<20mm or according to your needsSurface FinishingZn ... quality control process, which include mounting press, grinding & polishing, micro hardness testing, torsional test, and salt spray test. Looking for quality ...